package com.itheima.mapper;

import com.itheima.pojo.Emp;
import com.itheima.pojo.EmpQueryParam;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;
import java.util.Map;

@Mapper
public interface EmpMapper {
// -----------------------原始分页查询------------------
//    /**
//     * 查询总记录数
//     */
//    @Select("select count(*) from emp e left join dept d on e.dept_id = d.id ")
//    public Long count();
//
//    /**
//     * 查询所有的员工及其对应的部门名称
//     */
//    @Select("select e.*, d.name deptName from emp as e left join dept as d on e.dept_id = d.id limit #{start}, #{pageSize}")
//    public List<Emp> list(Integer start , Integer pageSize);


//        @Select("select e.*, d.name deptName from emp as e left join dept as d on e.dept_id = d.id order by e.update_time desc ")
    public List<Emp> list(EmpQueryParam empQueryParam);
    @Options(useGeneratedKeys = true, keyProperty = "id")
    @Insert("insert into emp(username, name, gender, phone, job, salary, image, entry_date, dept_id, create_time, update_time) " +
            "values (#{username},#{name},#{gender},#{phone},#{job},#{salary},#{image},#{entryDate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

    void deleteByIds(List<Integer> ids);

    Emp getById(Integer id);

    void updateById(Emp emp);

    //统计员工职位人数的数据
    List<Map<String, Object>> countEmpJobData();
    // 统计员工性别比例的数据
    List<Map<String, Object>> countEmpGenderData();
    @Select("select id,username,name from emp where username = #{username} and password = #{password}")
    Emp getByUsernameAndPassword(Emp emp);
}